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DPI 740 User Manual 29
K0200 Issue No. 1
Serial Communications (Figure 3-9)
The instrument uses RS232 communication parameters as
follows:
Baud rate
- 19200, 9600 , 4800, 1200, 600, 300 & 150
Data bits - 7, 8
Stop bits - 1 ,2
Parity - none , even, odd
Handshaking- none , software, hardware
Notes :
1. The parameters set on shipment are in bold.
2. The instrument stores any adjusted communication
setting in nonvolatile memory.
3. To review the current settings select the sub-menu
and press the SET key to step through the sub-menu.
4. Pressing the MODE push-button returns the
instrument to the previous setting.
Setting the communication parameters (Figure 3-9)
Proceed as follows:
1. Make sure the instrument is in measurement mode and
displaying pressure.
2. Press SET until the display shows COMMS on the status
line.
3. Press F2, selecting the COMMS option.
4. Use F1 and F2 to select the required baud rate and then
press SET.
5. Repeat step 4 to set the remaining parameters.
When all the parameters are entered the instrument uses
the new settings immediately and returns to measurement
mode.